Haemophilia,a $X$-linked recessive disease,is caused due to the deficiency of:

  • A
    Blood plasma and vitamin-$K$
  • B
    Blood platelets and haemoglobin
  • C
    Blood clotting factors
  • D
    All of the above

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Similar Questions

If both parents are carriers for thalassaemia,which is an autosomal recessive disorder,what are the chances of pregnancy resulting in an affected child?

$A$ couple,both carriers for the gene of sickle cell anaemia,are planning to get married. What are the chances of them having an anaemic child (in $\%$)?

Which of the following disorders is not hereditary?

$A$ - Sickle-cell anaemia is a sex-linked recessive trait.
$R$ - This disease is controlled by more than two pairs of alleles.

Which of the following is associated with sex-linked inheritance?

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